﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            double p, r, zong;
            int n;
           p= Convert.ToDouble(textBox1.Text);
           r = Convert.ToDouble(textBox2.Text);
           n = Convert.ToInt32(textBox3.Text);
           zong = p * Math.Pow(1 + r, n);
           textBox4.Text = zong.ToString();
                  
        }
    }
}
